---

yaml
---
r: 66854
b: refs/heads/master
c: 89e536a
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6daf65310374d24d888201b7a6eba90b44008b7b
+refs/heads/master: 89e536a190f90d038bae7905a0c582cb7089b739

trunk/drivers/net/Kconfig

@@ -240,6 +240,13 @@ config AX88796
 	  AX88796 driver, using platform bus to provide
 	  chip detection and resources
 
+config AX88796_93CX6
+	bool "ASIX AX88796 external 93CX6 eeprom support"
+	depends on AX88796
+	select EEPROM_93CX6
+	help
+	  Select this if your platform comes with an external 93CX6 eeprom.
+
 config MACE
 	tristate "MACE (Power Mac ethernet) support"
 	depends on PPC_PMAC && PPC32

trunk/drivers/net/ax88796.c

@@ -24,6 +24,7 @@
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/mii.h>
+#include <linux/eeprom_93cx6.h>
 
 #include <net/ax88796.h>
 
@@ -582,6 +583,37 @@ static const struct ethtool_ops ax_ethtool_ops = {
 	.get_link		= ax_get_link,
 };
 
+#ifdef CONFIG_AX88796_93CX6
+static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+	struct ei_device *ei_local = eeprom->data;
+	u8 reg = ei_inb(ei_local->mem + AX_MEMR);
+
+	eeprom->reg_data_in = reg & AX_MEMR_EEI;
+	eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */
+	eeprom->reg_data_clock = reg & AX_MEMR_EECLK;
+	eeprom->reg_chip_select = reg & AX_MEMR_EECS;
+}
+
+static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+	struct ei_device *ei_local = eeprom->data;
+	u8 reg = ei_inb(ei_local->mem + AX_MEMR);
+
+	reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS);
+
+	if (eeprom->reg_data_in)
+		reg |= AX_MEMR_EEI;
+	if (eeprom->reg_data_clock)
+		reg |= AX_MEMR_EECLK;
+	if (eeprom->reg_chip_select)
+		reg |= AX_MEMR_EECS;
+
+	ei_outb(reg, ei_local->mem + AX_MEMR);
+	udelay(10);
+}
+#endif
+
 /* setup code */
 
 static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local)
@@ -640,6 +672,23 @@ static int ax_init_dev(struct net_device *dev, int first_init)
 		memcpy(dev->dev_addr,  SA_prom, 6);
 	}
 
+#ifdef CONFIG_AX88796_93CX6
+	if (first_init && ax->plat->flags & AXFLG_HAS_93CX6) {
+		unsigned char mac_addr[6];
+		struct eeprom_93cx6 eeprom;
+
+		eeprom.data = ei_local;
+		eeprom.register_read = ax_eeprom_register_read;
+		eeprom.register_write = ax_eeprom_register_write;
+		eeprom.width = PCI_EEPROM_WIDTH_93C56;
+
+		eeprom_93cx6_multiread(&eeprom, 0,
+				       (__le16 __force *)mac_addr,
+				       sizeof(mac_addr) >> 1);
+
+		memcpy(dev->dev_addr,  mac_addr, 6);
+	}
+#endif
 	if (ax->plat->wordlength == 2) {
 		/* We must set the 8390 for word mode. */
 		ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG);

trunk/include/linux/eeprom_93cx6.h

@@ -21,13 +21,14 @@
 /*
 	Module: eeprom_93cx6
 	Abstract: EEPROM reader datastructures for 93cx6 chipsets.
-	Supported chipsets: 93c46 & 93c66.
+	Supported chipsets: 93c46, 93c56 and 93c66.
  */
 
 /*
  * EEPROM operation defines.
  */
 #define PCI_EEPROM_WIDTH_93C46	6
+#define PCI_EEPROM_WIDTH_93C56	8
 #define PCI_EEPROM_WIDTH_93C66	8
 #define PCI_EEPROM_WIDTH_OPCODE	3
 #define PCI_EEPROM_WRITE_OPCODE	0x05

trunk/include/net/ax88796.h

@@ -14,6 +14,7 @@
 
 #define AXFLG_HAS_EEPROM		(1<<0)
 #define AXFLG_MAC_FROMDEV		(1<<1)	/* device already has MAC */
+#define AXFLG_HAS_93CX6			(1<<2)	/* use eeprom_93cx6 driver */
 
 struct ax_plat_data {
 	unsigned int	 flags;